CN109107751A - A kind of flotation impurity removal process from low grade potassium albite ore - Google Patents
A kind of flotation impurity removal process from low grade potassium albite ore Download PDFInfo
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- CN109107751A CN109107751A CN201811013832.1A CN201811013832A CN109107751A CN 109107751 A CN109107751 A CN 109107751A CN 201811013832 A CN201811013832 A CN 201811013832A CN 109107751 A CN109107751 A CN 109107751A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/01—Organic compounds containing nitrogen
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2203/00—Specified materials treated by the flotation agents; specified applications
- B03D2203/02—Ores
- B03D2203/04—Non-sulfide ores
- B03D2203/10—Potassium ores
Abstract
The present invention provides a kind of flotation impurity removal process from low grade potassium albite ore, belong to ore coal washing technique field, specifically includes the following steps: low grade potassium albite original stone ore is crushed first, is ground, desliming, low intensity magnetic separation, pickling, high intensity magnetic separation, roughing, ultrasonic treatment, grinding, final recleaner flotation obtain the selected ore pulp of potassium albite, by the process that cleans step by step step by step, production cost can be reduced, traditional handicraft pollution on the environment problem is avoided, industrialized application is suitble to.
Description
[technical field]
The present invention relates to the processing technique field of construction material, especially a kind of flotation from low grade potassium albite ore is removed
General labourer's skill.
[technical background]
Family's mineral that feldspar is made of potassium, sodium, calcium and aluminosilicate are that the most common ore, ratio reach in the earth's crust
To 60%, all may occur in which in igneous rock, metamorphic rock, sedimentary rock.Industrial common feldspar race mine is mainly potassium feldspar and sodium
Feldspar, however due to they have similar chemical structure and similar physicochemical properties, and feldspar generally with quartz, mica
Class mineral intergrowth is largely to exist in feldspar mineral deposit in hybrid form, therefore, using physical method or physics-chemical method
It is difficult to separate potassium feldspar and albite, the purification of feldspar mainly uses the ore dressings means such as gravity treatment, electric separation, magnetic separation, flotation to be joined
Separation operation is closed, to isolate required substance, causes employee's health to damage and produce wherein hydrofluoric acid can be used largely
The pollution of environment.
And there are many China's feldspar resource, and distribution is also very extensive, but the impure more, quality of larger a part of feldspar ore
It is not high, as the high-quality feldspar ore raw material in China is increasingly reduced, the safe and environment-friendly separation of ingredient in low grade potassium albite ore is mentioned
Pure is the new direction of current area research development.
[summary of the invention]
In view of posed problems above, obtained the present invention provides a kind of from the flotation impurity removal process of low grade potassium albite ore
Feldspar concentrate sand is obtained, the flotation impurity removal process that operating procedure is simple, production cost is low avoids traditional handicraft caused by environment
Pollution problem is suitble to industrialized application.
Technical scheme is as follows:
A kind of flotation impurity removal process from low grade potassium albite ore, including following steps:
S1: low grade potassium albite original stone ore is subjected to break process, accounts for total quality to -100 mesh number amounts after grinding
80%, it passes it through spiral chute and carries out separation sorting, removal slurry content obtains raw ore slurry；
S2: the raw ore slurry is sent into weak magnetic separator and carries out low intensity magnetic separation, obtains the first magnetic separation ore pulp；
S3: the first magnetic separation ore pulp is subjected to pickling as mordant using sulfuric acid, obtains pickling ore pulp；
S4: passing through milled processed for the pickling ore pulp, and controlling broken ore particle granularity is that -140 mesh number amounts account for entirety
80% or more of quality is sent into intensity magnetic separator progress high intensity magnetic separation after carrying out scrub process by roller swaging machine, obtains the second magnetic
Ore dressing slurry；
S5: carrying out flotation for the second magnetic separation ore pulp, and adjusting pH is 4~5, and octadecylamine, camphorated oil, carbon are added thereto
Sour sodium and sodium metasilicate are uniformly mixed, remove surfactant foam, flotation obtains the first roughing pulp；
S6: carrying out ultrasonication for first roughing pulp, and carrying out wet ball grinding to ore particle granularity is that -200 mesh account for
80% or more of total quality obtains the second roughing pulp；
S7: being placed in flotation device for second roughing pulp and carry out flotation, and adjusting pH is 3~4, and dodecane is added thereto
Base diamines, enuatrol and calcium oxide are uniformly mixed, remove surfactant foam, obtain the selected ore pulp of potassium albite.
Further, in step s 2, the magnetic separation concentration of the weak magnetic separator be 30%, magnetic field strength be 4000~
5000Oe。
Further, in step s3, the mass concentration of the sulfuric acid is 15~20%.
Further, in step s 4, the magnetic separation concentration is 25%, and magnetic field strength is 8500~9000Oe.
Further, in step s 5, the mass ratio of the octadecylamine, camphorated oil, sodium carbonate and sodium metasilicate is 1~2:1:
3~4:1~2, the mass fraction that the additional amount of the octadecylamine accounts for the second magnetic separation ore pulp total amount is 0.10~0.12%.
Further, in step s 5, the mass ratio of the octadecylamine, camphorated oil and sodium carbonate is 1.2:1:3.6:1.5,
The mass fraction that the additional amount of the octadecylamine accounts for the second magnetic separation ore pulp total amount is 0.11%.
Further, in step s 6, the frequency of use of the ultrasonic wave is 30~35KHz.
Further, in the step s 7, the mass ratio of the dodecyl diamines, enuatrol and calcium oxide be 2~3:1~
2:1；The mass fraction that the additional amount of the dodecyl diamines accounts for the second roughing pulp total amount is 0.08~0.10%.
Further, in the step s 7, the mass ratio of the dodecyl diamines, enuatrol and calcium oxide is 2.5:1.5:
1；The mass fraction that the additional amount of the dodecyl diamines accounts for the second roughing pulp total amount is 0.09%.
The invention has the following advantages over the prior art:
The present invention be low grade potassium albite original stone ore is crushed, is ground, desliming, low intensity magnetic separation, pickling, high intensity magnetic separation,
Roughing, ultrasonic treatment, grinding, final recleaner flotation obtain the selected ore pulp of potassium albite.Wherein, low grade potassium albite original stone ore is ground
- 100 mesh granularities are milled to, carry out being separated off remaining mud components using spiral chute, can realize the same of sludge separation
When reduce unnecessary loss；Again by gained raw ore slurry successively pass through low intensity magnetic separation, pickling, high intensity magnetic separation removal variform iron content
Ingredient, hence it is evident that improve production efficiency, production cost is greatly reduced；Then pass through roughing, ultrasonic treatment, grinding, final recleaner flotation, into
One step reduces ore particle granularity, can effectively remove containing quartz, mica mineral, obtain the selected ore pulp of potassium albite, improve ore
Potassium sodium quality, it is easy to operate.
Floatation process of the present invention includes roughing, ultrasonic treatment, grinding, selected；The second magnetic separation ore pulp is adjusted first
PH value adds octadecylamine, camphorated oil, sodium carbonate and sodium metasilicate, above-mentioned substance can be in weak acid item by being used in compounding to 4~5
Under part effective activation and floatingly select part containing quartz, mica mineral, ultrasonication is carried out after flotation, then carry out wet ball grinding
Ore particle granularity is -200 mesh, and finally adjusting pH is 3~4, and dodecyl diamines, enuatrol and calcium oxide, further flotation is added
Obtain the selected ore pulp of potassium albite；Avoid in traditional handicraft to the extensive application of hydrofluoric acid and caused by seriously pollute, and have
Effect is realized isolates the hardly possible such as quartz except mineral from low grade potassium albite ore.In short, each technology hand of the present invention
Section all cooperates, mutually promotes, and camps step by step, is all linked with one another, and generated total technical effect is significantly larger than
The simple adduction of technological means caused by single technological means.
[specific embodiment]
The following examples can help those skilled in the art that the present invention is more completely understood, but cannot be with any
Mode limits the present invention.
Embodiment 1
A kind of flotation impurity removal process from low grade potassium albite ore, including following steps:
S1: low grade potassium albite original stone ore is subjected to break process, accounts for total quality to -100 mesh number amounts after grinding
80%, it passes it through spiral chute and carries out separation sorting, removal slurry content obtains raw ore slurry；
S2: the raw ore slurry is sent into weak magnetic separator and carries out low intensity magnetic separation, obtains the first magnetic separation ore pulp；Wherein, described weak
The magnetic separation concentration of magnetic separator is 30%, magnetic field strength 4000Oe；
S3: the first magnetic separation ore pulp is subjected to pickling as mordant using sulfuric acid, obtains pickling ore pulp；The sulfuric acid
Mass concentration be 15%；
S4: passing through milled processed for the pickling ore pulp, and controlling broken ore particle granularity is that -140 mesh number amounts account for entirety
80% or more of quality is sent into intensity magnetic separator progress high intensity magnetic separation after carrying out scrub process by roller swaging machine, obtains the second magnetic
Ore dressing slurry；Wherein, the magnetic separation concentration is 25%, magnetic field strength 8500Oe；
S5: carrying out flotation for the second magnetic separation ore pulp, and adjusting pH is 4, and octadecylamine, camphorated oil, carbonic acid are added thereto
Sodium and sodium metasilicate are uniformly mixed, remove surfactant foam, flotation obtains the first roughing pulp；Wherein,
The octadecylamine, camphorated oil, sodium carbonate and sodium metasilicate mass ratio be 1:1:3:1；
The mass fraction that the additional amount of the octadecylamine accounts for the second magnetic separation ore pulp total amount is 0.10%；
S6: carrying out ultrasonication for first roughing pulp, and carrying out wet ball grinding to ore particle granularity is that -200 mesh account for
80% or more of total quality obtains the second roughing pulp；Wherein, the frequency of use of the ultrasonic wave is 30KHz；
S7: being placed in flotation device for second roughing pulp and carry out flotation, and adjusting pH is 3, and dodecyl is added thereto
Diamines, enuatrol and calcium oxide are uniformly mixed, remove surfactant foam, obtain the selected ore pulp of potassium albite；Wherein,
The mass ratio of the dodecyl diamines, enuatrol and calcium oxide is 2:1:1；
The mass fraction that the additional amount of the dodecyl diamines accounts for the second roughing pulp total amount is 0.08%.
Embodiment 2
A kind of flotation impurity removal process from low grade potassium albite ore, including following steps:
S1: low grade potassium albite original stone ore is subjected to break process, accounts for total quality to -100 mesh number amounts after grinding
80%, it passes it through spiral chute and carries out separation sorting, removal slurry content obtains raw ore slurry；
S2: the raw ore slurry is sent into weak magnetic separator and carries out low intensity magnetic separation, obtains the first magnetic separation ore pulp；Wherein, described weak
The magnetic separation concentration of magnetic separator is 30%, magnetic field strength 5000Oe；
S3: the first magnetic separation ore pulp is subjected to pickling as mordant using sulfuric acid, obtains pickling ore pulp；The sulfuric acid
Mass concentration be 20%；
S4: passing through milled processed for the pickling ore pulp, and controlling broken ore particle granularity is that -140 mesh number amounts account for entirety
80% or more of quality is sent into intensity magnetic separator progress high intensity magnetic separation after carrying out scrub process by roller swaging machine, obtains the second magnetic
Ore dressing slurry；Wherein, the magnetic separation concentration is 25%, magnetic field strength 9000Oe；
S5: carrying out flotation for the second magnetic separation ore pulp, and adjusting pH is 5, and octadecylamine, camphorated oil, carbonic acid are added thereto
Sodium and sodium metasilicate are uniformly mixed, remove surfactant foam, flotation obtains the first roughing pulp；Wherein,
The octadecylamine, camphorated oil, sodium carbonate and sodium metasilicate mass ratio be 2:1:4:2；
The mass fraction that the additional amount of the octadecylamine accounts for the second magnetic separation ore pulp total amount is 0.12%；
S6: carrying out ultrasonication for first roughing pulp, and carrying out wet ball grinding to ore particle granularity is that -200 mesh account for
80% or more of total quality obtains the second roughing pulp；Wherein, the frequency of use of the ultrasonic wave is 35KHz；
S7: being placed in flotation device for second roughing pulp and carry out flotation, and adjusting pH is 4, and dodecyl is added thereto
Diamines, enuatrol and calcium oxide are uniformly mixed, remove surfactant foam, obtain the selected ore pulp of potassium albite；Wherein,
The mass ratio of the dodecyl diamines, enuatrol and calcium oxide is 3:2:1；
The mass fraction that the additional amount of the dodecyl diamines accounts for the second roughing pulp total amount is 0.10%.
Embodiment 3
A kind of flotation impurity removal process from low grade potassium albite ore, including following steps:
S1: low grade potassium albite original stone ore is subjected to break process, accounts for total quality to -100 mesh number amounts after grinding
80%, it passes it through spiral chute and carries out separation sorting, removal slurry content obtains raw ore slurry；
S2: the raw ore slurry is sent into weak magnetic separator and carries out low intensity magnetic separation, obtains the first magnetic separation ore pulp；Wherein, described weak
The magnetic separation concentration of magnetic separator is 30%, magnetic field strength 4500Oe；
S3: the first magnetic separation ore pulp is subjected to pickling as mordant using sulfuric acid, obtains pickling ore pulp；The sulfuric acid
Mass concentration be 18%；
S4: passing through milled processed for the pickling ore pulp, and controlling broken ore particle granularity is that -140 mesh number amounts account for entirety
80% or more of quality is sent into intensity magnetic separator progress high intensity magnetic separation after carrying out scrub process by roller swaging machine, obtains the second magnetic
Ore dressing slurry；Wherein, the magnetic separation concentration is 25%, magnetic field strength 8800Oe；
S5: carrying out flotation for the second magnetic separation ore pulp, and adjusting pH is 5, and octadecylamine, camphorated oil, carbonic acid are added thereto
Sodium and sodium metasilicate are uniformly mixed, remove surfactant foam, flotation obtains the first roughing pulp；Wherein,
The octadecylamine, camphorated oil, sodium carbonate and sodium metasilicate mass ratio be 1.2:1:3.6:1.5；
The mass fraction that the additional amount of the octadecylamine accounts for the second magnetic separation ore pulp total amount is 0.11%；
S6: carrying out ultrasonication for first roughing pulp, and carrying out wet ball grinding to ore particle granularity is that -200 mesh account for
80% or more of total quality obtains the second roughing pulp；Wherein, the frequency of use of the ultrasonic wave is 32KHz；
S7: being placed in flotation device for second roughing pulp and carry out flotation, and adjusting pH is 3, and dodecyl is added thereto
Diamines, enuatrol and calcium oxide are uniformly mixed, remove surfactant foam, obtain the selected ore pulp of potassium albite；Wherein,
The mass ratio of the dodecyl diamines, enuatrol and calcium oxide is 2.5:1.5:1；
The mass fraction that the additional amount of the dodecyl diamines accounts for the second roughing pulp total amount is 0.09%.
Comparative example
A kind of flotation impurity removal process from low grade potassium albite ore, including following steps:
S1: low grade potassium albite original stone ore is subjected to break process, accounts for total quality to -100 mesh number amounts after grinding
80%, it passes it through spiral chute and carries out separation sorting, removal slurry content obtains raw ore slurry；
S2: the raw ore slurry is sent into weak magnetic separator and carries out low intensity magnetic separation, obtains the first magnetic separation ore pulp；Wherein, described weak
The magnetic separation concentration of magnetic separator is 30%, magnetic field strength 4500Oe；
S3: passing through milled processed for the first magnetic separation ore pulp, and controlling broken ore particle granularity is that -140 mesh number amounts account for
80% or more of total quality carries out being sent into intensity magnetic separator after scrub process carrying out high intensity magnetic separation, obtains the by roller swaging machine
Two magnetic separation ore pulps；Wherein, the magnetic separation concentration is 25%, magnetic field strength 8800Oe；
S4: being placed in flotation device for the second magnetic separation ore pulp and carry out flotation, and adjusting pH is 3, and dodecyl is added thereto
Diamines, enuatrol and calcium oxide are uniformly mixed, remove surfactant foam, obtain the selected ore pulp of potassium albite；Wherein,
The mass ratio of the dodecyl diamines, enuatrol and calcium oxide is 2.5:1.5:1；
The mass fraction that the additional amount of the dodecyl diamines accounts for the second roughing pulp total amount is 0.09%.
By the potassium albite ore product obtained using embodiment 3 and comparative example method and former low grade potassium albite ore, divide
Not carry out component analysis.Analysis the results are shown in Table 1.
1 chemical constituent of table analyzes result
| SiO2 | K | Na | Fe | Other | |
| Low grade potassium albite ore (%) | 71.2 | 4.12 | 2.57 | 1.23 | 20.88 |
| Embodiment 1 (%) | 63.7 | 8.18 | 5.25 | 0.18 | 22.69 |
| Embodiment 2 (%) | 62.9 | 8.32 | 5.38 | 0.17 | 23.23 |
| Embodiment 3 (%) | 62.4 | 8.34 | 5.44 | 0.16 | 23.66 |
| Comparative example (%) | 65.8 | 6.10 | 4.89 | 0.35 | 22.86 |
As can be seen from Table 1, the potassium sodium grade of the potassium albite ore concentrate obtained using the method for the present invention is high compared with contrast groups,
Quartz and iron content are below comparative example, illustrate that impurity can be efficiently separated out using the method for the present invention, promote potassium albite
Grade.
Although above the present invention is described in detail with a general description of the specific embodiments,
On the basis of the present invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Cause
This, these modifications or improvements, fall within the scope of the claimed invention without departing from theon the basis of the spirit of the present invention.
Claims (9)
1. a kind of flotation impurity removal process from low grade potassium albite ore, which is characterized in that including following steps:
S1: carrying out break process for low grade potassium albite original stone ore, account for the 80% of total quality to -100 mesh number amounts after grinding,
It passes it through spiral chute and carries out separation sorting, removal slurry content obtains raw ore slurry；
S2: the raw ore slurry is sent into weak magnetic separator and carries out low intensity magnetic separation, obtains the first magnetic separation ore pulp；
S3: the first magnetic separation ore pulp is subjected to pickling as mordant using sulfuric acid, obtains pickling ore pulp；
S4: passing through milled processed for the pickling ore pulp, and controlling broken ore particle granularity is that -140 mesh number amounts account for total quality
80% or more, by roller swaging machine carry out scrub process after be sent into intensity magnetic separator carry out high intensity magnetic separation, obtain the second magnetic concentration
Slurry；
S5: carrying out flotation for the second magnetic separation ore pulp, and adjusting pH is 4~5, and octadecylamine, camphorated oil and carbonic acid are added thereto
Sodium, sodium metasilicate are uniformly mixed, remove surfactant foam, flotation obtains the first roughing pulp；
S6: carrying out ultrasonication for first roughing pulp, and carrying out wet ball grinding to ore particle granularity is that -200 mesh account for entirety
80% or more of quality obtains the second roughing pulp；
S7: being placed in flotation device for second roughing pulp and carry out flotation, and adjusting pH is 3~4, and dodecyl two is added thereto
Amine, enuatrol and calcium oxide are uniformly mixed, remove surfactant foam, obtain the selected ore pulp of potassium albite.
2. a kind of flotation impurity removal process from low grade potassium albite ore according to claim 1, which is characterized in that in step
In S2, the magnetic separation concentration of the weak magnetic separator is 30%, and magnetic field strength is 4000~5000Oe.
3. a kind of flotation impurity removal process from low grade potassium albite ore according to claim 1, which is characterized in that in step
In S3, the mass concentration of the sulfuric acid is 15~20%.
4. a kind of flotation impurity removal process from low grade potassium albite ore according to claim 1, which is characterized in that in step
In S4, the magnetic separation concentration is 25%, and magnetic field strength is 8500~9000Oe.
5. a kind of flotation impurity removal process from low grade potassium albite ore according to claim 1, which is characterized in that in step
In S5, the octadecylamine, camphorated oil, sodium carbonate and sodium metasilicate mass ratio be 1~2:1:3~4:1~2, the octadecylamine
The mass fraction that additional amount accounts for the second magnetic separation ore pulp total amount is 0.10~0.12%.
6. a kind of flotation impurity removal process from low grade potassium albite ore according to claim 1, which is characterized in that in step
In S5, the octadecylamine, camphorated oil, sodium carbonate and sodium metasilicate mass ratio be 1.2:1:3.6:1.5, the addition of the octadecylamine
The mass fraction that amount accounts for the second magnetic separation ore pulp total amount is 0.11%.
7. a kind of flotation impurity removal process from low grade potassium albite ore according to claim 1, which is characterized in that in step
In S6, the frequency of use of the ultrasonic wave is 30~35KHz.
8. a kind of flotation impurity removal process from low grade potassium albite ore according to claim 1, which is characterized in that in step
In S7, the mass ratio of the dodecyl diamines, enuatrol and calcium oxide is 2~3:1~2:1；The dodecyl diamines
The mass fraction that additional amount accounts for the second roughing pulp total amount is 0.08~0.10%.
9. a kind of flotation impurity removal process from low grade potassium albite ore according to claim 1, which is characterized in that in step
In S7, the mass ratio of the dodecyl diamines, enuatrol and calcium oxide is 2.5:1.5:1；The dodecyl diamines adds
Entering amount to account for the mass fraction of the second roughing pulp total amount is 0.09%.
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| CN110898955A (en) * | 2019-11-06 | 2020-03-24 | 乐山市南联环资科技有限责任公司 | Process for producing feed additive by using feldspar tailings |
| CN112852212A (en) * | 2021-02-26 | 2021-05-28 | 河南有色金源实业有限公司 | Composite filler for water-based paint and preparation method thereof |
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| CN109107751B (en) | 2021-04-20 |
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Denomination of invention: A flotation impurity removal process from low-grade potassium albite ore Effective date of registration: 20211108 Granted publication date: 20210420 Pledgee: Bank of Guilin Co., Ltd. Hezhou branch Pledgor: Hezhou Junxin mineral products Co., Ltd Registration number: Y2021450000045 |
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